FEATURES & SPECIFICATIONS
- Spring loaded
- Rubber seat ring for non-slam effect
- Durable fusion bonded epoxy coated
- Comply with BS 5153 / EN 12334 / MS SSP71
- Flange drilled to BS 4504 PN25 / EN 1092-2 PN25 / ANSI CLASS 150 (Specify on order)
- Â Applicable for Building Services, Air-Conditioning, Fire-Protection,
- Cold Water Plumbing, Hot Water System, General Industries.
TECHNICAL SPECIFICATIONS
| Working Pressure | 25bar. |
| Shell Testing Pressure | (x1.5) 37.5bar |
| Seat Testing Pressure | (x1.1) 27.5bar |
| Working Temperature | -20°C … 110°C (EPDM seat ring) -10°C … 80°C (NBR seat ring) |
| Suitable Media | Water, Oil, Gas |
MATERIAL SPECIFICATION
| Part | Material | Specification |
| Body | Ductile Iron | EN-JS 1050 |
| Disc | Ductile Iron Stainless Steel 304 Aluminium Bronze |
EN-JS 1050 EN 10088-3 1.4301 EN 1982 CC491K |
| Seat | Ductile Iron Stainless Steel 304 Aluminium Bronze |
EN-JS 1050 EN 10088-3 1.4301 EN 1982 CC491K |
| Seat Ring | EPDM / NBR | |
| Stem | Stainless Steel 410 | EN 10088-3 1.4006 |
| Spring | Stainless Steel 304 | EN 10088-3 1.4301 |
| Bushing | Gunmetal | EN 1982-2008 GC CC491K |
DIMENSI
| DN | (mm) | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 |
| (inch) | 2 | 21/2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 24 | |
| L | 133 | 140 | 152 | 185 | 216 | 216 | 257 | 393 | 362 | 400 | 448 | 476 | 524 | 610 |
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